Optimized tail calls don't grow the stack.
They're implemented with a goto, it's basically a loop.
{ let i = 0 const rec = () => (i++, rec()) try { rec() } catch {} console.log(i) }
On most browsers this will give you a number. On Safari, Mobile Safari, and some embeddable runtimes like latest Duktape It will be an infinite loop.
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Optimized tail calls don't grow the stack.
They're implemented with a goto, it's basically a loop.
On most browsers this will give you a number.
On Safari, Mobile Safari, and some embeddable runtimes like latest Duktape It will be an infinite loop.